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30 Jan 2024

Ariston TI-SHAPE 30 R Water Heater Replaced With Ariston AN2 30 RS Water Heater at BLK103 Jurong East, St13 HDB on 29 Jan 2024

  • Project location

    BLK103 Jurong East, St13 HDB

  • Property type


Ariston TI-SHAPE 30 R


Replacement of Ariston TI-SHAPE 30 R Water Heater to resolve heater problems end of service life.


Similar Ariston Ariston AN2 30 RS Water Heater at is used for replacement. All pipe works connecting to the heaters are replaced with stainless steel. A new approved stop and double check valves are employed in accordance with the manufacturer’s specification. Such will comply with PUB. Our Licensed has supervised and approved the installation. There is a 1-year warranty by Homeone for this installation on top of the warranty provided by manufacturer.

The final result

Ariston TI-SHAPE 30 R Water Heater Replacement

Old water heater:

Ariston TI-SHAPE 30 R Water Heater

Ariston, the number one water heater brand from Italy, Ariston offers a variety of electric and gas water heater products that are safe and comfortable to use.
The Ariston TI-SHAPE 15 R is a type of water heater manufactured by Ariston Thermo Group, a leading company in the heating and water heating industry.
Here’s some information about its type, efficiency, and safety features:
Type: The Ariston TI-SHAPE 15 R is a type of electric storage water heater. Electric storage water heaters work by heating water and storing it in an insulated tank until it’s needed.
This type of water heater is commonly used in residential and commercial settings.
Safety Features: Ariston water heaters, including the TI SHAPE 15, typically come equipped with various safety features to ensure safe operation.
Some common safety features found in Ariston water heaters may include:
Temperature and pressure relief valve: This valve automatically releases water if the temperature or pressure inside the tank exceeds safe levels, preventing the tank from exploding.
Thermostat controls: These control the temperature of the water, preventing it from reaching dangerously high levels.
Overheat protection: Sensors or switches that shut off the heating element if it becomes too hot, preventing damage to the unit.
Insulation: Proper insulation not only helps with energy efficiency but also prevents the exterior of the water heater from becoming too hot to touch.
Corrosion protection: Internal linings or sacrificial anodes that protect the tank from corrosion, extending its lifespan and preventing leaks.


New storage water heater:

Ariston AN2 30 RS Water Heater

Ariston AN2 30 RS  has the same capacity with the old water heater.
The Ariston AN2 30 RS water heater is a type of electric storage water heater. Here’s a breakdown of its key features in terms of type, efficiency, and safety:
Type: The Ariston AN2 30 RS is an electric storage water heater, which means it heats water and stores it in an insulated tank until it’s needed.
This type of water heater also requires a power source to heat the water and maintain its temperature.
Safety: Water heater safety is crucial to prevent accidents such as scalding, fires, or leaks. The Ariston AN2 30 RS 1.5 SIN likely includes several safety features common in electric water heaters:
Temperature and pressure relief valve: This valve helps regulate temperature and pressure within the tank to prevent overheating and potential explosions.
Thermostat: A thermostat monitors and controls the water temperature to ensure it remains within safe limits.
Overheat protection: Built-in mechanisms prevent the water heater from overheating, reducing the risk of damage or safety hazards.
Leak detection: Some models may have leak detection systems to alert users to potential leaks, helping to prevent water damage.
Insulation: Adequate insulation helps to prevent heat loss from the tank, improving energy efficiency and reducing the risk of burns from the external surface of the heater.


This heater unit has met the following requirements for a water heater:

Work Scope:

1. Supply of tank, pipe and fittings
2. Removal of old water heater
3. Pipe works partial redo to comply PUB
4. New tank installation
5. Testing and commission. Submission to PUB
6. Clean up before leaving
7. PUB approval letter

Regulatory Compliance:

The electric water heater as a whole unit (i.e. parts incorporated in the water heater itself such as heating element, pressure relief valve/temperature relief valve, water tank, etc. shall be tested in accordance with the following:

  1. AS/NZS 4020:2018 Appendix K – Sample extraction procedure for use with water heating system.
    An accredited or non-accredited test report for Appendix K is acceptable provided that the test laboratory is accredited by Singapore Accreditation Council (SAC) to AS/NZS 4020:2018 Appendix H on Extraction of Metals, at the point of testing;
  2. The samples extracted in accordance with Appendix K shall then be tested in accordance with AS/NZS 4020:2018 Appendix H – Extraction of metals (for metallic materials in contact with water).
    The maximum allowable concentrations of metals listed in Table 2 of AS/NZS 4020:2018 shall not exceed the limits specified by the World Health Organization (WHO) Guidelines for Drinking Water Quality.


Reason for the Replacement: End of service life

Our  licensed water service plumber has ensured that work is done in accordance with the conditions stated below:

  1. All water service installations must be in accordance with the Public Utilities (Water Supply) Regulations, Singapore Standards 636 for Water Services and all other relevant statutory requirements.
  2. The proposed works shall not adversely affect the existing water supply reticulation system.
  3. Proposed water storage heater is installed in accordance with the specifications and requirements of the manufacturer.
    The installation of double check valves is safe and effective to prevent backflow and the back siphonage of water from the storage water heater through the heater inlet pipe and will be safe for use.


In conclusion, the Ariston AN2 30 RS 1.5 SIN Water Heater is a high-quality and reliable product that meets all necessary regulatory requirements.

The installation was carried out in compliance with PUB regulations, ensuring the safety and effectiveness of the new water heater.

We are pleased to inform that we have received the PUB Approval Letter for the installation.

This letter means that PUB has a record of this heater replacement job it is authorized.



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